Tsunpri

Two tsundere princesses struggling with their feelings toward the same knight who keeps saving the kingdom, that's the setup for Tsunpri, a single-episode OVA from 2015 that plays in medieval fantasy territory with a distinctly romantic focus. The story splits into two segments. First, Princess Diana has to personally reward a knight for protecting the royal family, which puts her in an awkward position given her proud, guarded personality. Then Princess Reiana, after surviving a brutal battle where that same knight risked everything for her, goes to visit him herself. Both women carry that classic tsundere tension, the kind where feelings are real but admitting them feels impossible. The medieval court setting gives it a slightly grounded atmosphere compared to the usual fantasy backdrop, and the two-part structure lets each princess breathe a little rather than cramming everything into one rushed encounter. If you watched Princess Lover! and wanted something more intimate and character-driven rather than harem-focused, this scratches a similar itch. Fans of Yosuga no Sora's approach to pairing drama in separate story threads will also recognize the structure here. It is a short, contained story, one episode, no ongoing commitments, adapted from a light novel and leaning into the royal dynamics and gratitude-turning-into-something-deeper angle. Worth an evening if the tsundere archetype and fantasy royalty setting are things that genuinely interest you.